Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5487632 | Direct tension indicator washer | Lloyd J. Larson | 1996-01-30 |
| 5370483 | Direct tension indicator washer | Lloyd J. Larson | 1994-12-06 |
| 5015132 | Direct tension indicator washer | F. Jonathan M. Turner | 1991-05-14 |